beautypg.com

Dip switch setting (sw1) -4, I/o port address select (sw1-1) -4, 3 dip switch setting (sw1) – Acrosser AR-B1047 User Manual

Page 11: 1 i/o port address select (sw1-1)

background image

AR-B1047 User’s Guide

2-4

2.3 DIP SWITCH SETTING (SW1)

There is 1-DIP Switch located on the AR-B1047. If you want to use the 12V FLASH, please use the external 12V
voltage, the AR-B1047 does not support the 12V voltage. It performs the following functions:

ON

1

2

3

4

5

6

OFF

7

8

SW1

Figure 2-8 SW1: Switch Select

SW1-1

Sets the base I/O port address

SW1-2 & SW1- 7

Sets the starting memory address

SW1-3 & SW1-4

Sets the drive number of solid state disk

SW1-5 & SW1-6

Sets the used ROM memory chips

SW1-8

Set the DiskOnChip

2.3.1 I/O Port Address Select (SW1-1)

SW1-1 is provided to select one of the two base port addresses for the solid state disk. The AR-B1047 occupies 2
I/O port addresses. Following state selections of base port address.

Switch 1 (SW1-1)

Base Port

Solid State Disk

OFF 224h

224h-227h

ON 2A4h

2A4h-2A7h

Table 2-1 I/O Port Address Select

2.3.2 SSD & DiskOnChip Firmware Address Select (SW1-2, SW1-7 & SW1-8)

The AR-B1047’s SSD firmware occupies 8KB of memory. SW1-2 and SW1-7 are used to select the memory base
address. You must select an appropriate address so that the AR-B1047 will not conflict with memory installed on
other add-on memory cards. Additionally, be sure not to use shadow RAM area or EMM driver’s page frame in this
area.

Switch 2

(SW1-2)

Switch 7

(SW1-7)

Switch 8

(SW1-8)

BIOS

Memory

Address

Bank

Memory

Address

D.O.C.

Memory

Address

OFF OFF OFF

CC00h

CE00h

D000h

ON OFF OFF

D000h

D200h

D400h

OFF OFF ON CC00h

CE00h --

ON OFF ON

D000h

D200h --

OFF ON OFF -- CE00h

CC00h

ON ON OFF -- D200h

D000h

OFF ON ON --

--

--

ON ON ON -- -- --

Table 2-2 SSD Firmware Address Select

If you are not going to use the solid-state disk (SSD), you can adjust the SW1-7 to disable the SSD BIOS. The
AR-B1047 will not occupy any memory address if the SSD BIOS disabled.

If you are going to install the EMM386.EXE driver, please use the [X] option to prevent EMM386.EXE from using
the particular range of segment address as an EMS page is used by AR-B1047. For example, write a statement in
the CONFIG.SYS file as follow: (If the memory configuration of AR-B1047 is CC00:0)

DEVICE=C:\DOS\EMM386.EXE X=CC00-CFFF